Which of the following is an essential step in antigen recognition during the immune response?
Activation of regulatory T cells
Production of histamines by mast cells
Binding of antigens to specific receptors on immune cells
Release of antibodies by neutrophils
The Correct Answer is C
Explanation: Antigen recognition during the immune response occurs when antigens bind to specific receptors on immune cells, such as B cell receptors, T cell receptors, or antibodies. This binding is a critical step that triggers the activation of the immune response against the invading pathogen or foreign substance.
Incorrect choices:
a. Activation of regulatory T cells is important for controlling and regulating the immune response but is not directly related to the antigen recognition process.
b. Production of histamines by mast cells is involved in the inflammatory response, but it is not a direct step in the antigen recognition process.
d. Neutrophils are a type of white blood cell involved in the innate immune response. They do not release antibodies, as that function is primarily carried out by B cells and plasma cells.
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Related Questions
Correct Answer is C
Explanation
Explanation: Antigen recognition during the immune response occurs when antigens bind to specific receptors on immune cells, such as B cell receptors, T cell receptors, or antibodies. This binding is a critical step that triggers the activation of the immune response against the invading pathogen or foreign substance.
Incorrect choices:
a. Activation of regulatory T cells is important for controlling and regulating the immune response but is not directly related to the antigen recognition process.
b. Production of histamines by mast cells is involved in the inflammatory response, but it is not a direct step in the antigen recognition process.
d. Neutrophils are a type of white blood cell involved in the innate immune response. They do not release antibodies, as that function is primarily carried out by B cells and plasma cells.
Correct Answer is C
Explanation
Explanation: The human papillomavirus (HPV) vaccine is recommended for adolescents to protect against certain types of HPV infections, which can lead to cervical, vaginal, vulvar, penile, anal, and throat cancers.
Incorrect choices:
a. The hepatitis B vaccine is typically given in infancy and does not protect against certain types of cancer.
b. The influenza vaccine is recommended annually for people of all ages to prevent the flu, not certain types of cancer.
d. The meningococcal vaccine protects against meningococcal infections, not certain types of cancer.
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